[PATCH i-g-t v2] meson.sh: add usage instructions at the beginning of the file

[Kamil Konieczny]

Hi Mauro,
On 2023-12-14 at 14:50:49 +0100, Mauro Carvalho Chehab wrote:
> From: Mauro Carvalho Chehab <mchehab at kernel.org>
> 
> Add some documentation about the supported targets and options.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab at kernel.org>

Reviewed-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>

> ---
>  meson.sh | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/meson.sh b/meson.sh
> index 2ea33d69139e..f83b6d6d4b92 100755
> --- a/meson.sh
> +++ b/meson.sh
> @@ -1,5 +1,21 @@
>  #!/bin/sh
>  
> +# Usage:
> +#    ./meson.sh [<options>] [target]
> +#
> +# Where options can be:
> +#	V=0         - disable non-error messages on ninja
> +#	V=1         - print all ninja messages (default)
> +#
> +# And target is the Makefile target. It can be:
> +#	all         - build all files
> +#	clean       - cleans build
> +#	test        - excecute unit tests
> +#	reconfigure - run Meson reconfigure via ninja
> +#	install     - builds and install IGT
> +#	uninstall   - uninstalls IGT from a past installation
> +#	docs	    - builds igt-gpu-tools-doc
> +
>  cat > Makefile <<EOF
>  
>  quiet_build =
> -- 
> 2.43.0
>